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Identity and expression pattern of chemosensory proteins in Heliothis virescens (Lepidoptera, Noctuidae).

Abstract：

:Analyzing the chemosensory organs of the moth Heliothis virescens, three proteins belonging to the family of insect chemosensory proteins (CSPs) have been cloned; they are called HvirCSP1, HvirCSP2 and HvirCSP3. The HvirCSPs show about 50% identity between each other and 30-76% identity to CSPs from other species. Overall, they are rather hydrophilic proteins but include a conserved hydrophobic motif. Tissue distribution and temporal expression pattern during the last pupal stages were assessed by Northern blots. HvirCSP mRNAs were detected in various parts of the adult body with a particular high expression level in legs. The expression of HvirCSP1 in legs started early during adult development, in parallel with the appearance of the cuticle. HvirCSP1 mRNA was detectable five days before eclosion (day E-5), increased dramatically on day E-3 and remained at high level into adult life. The tissue distribution and the time course of appearance of HvirCSPs are in agreement with a possible role in contact chemosensation.

journal_name

Insect Biochem Mol Biol

journal_title

Insect biochemistry and molecular biology

authors

Picimbon JF,Dietrich K,Krieger J,Breer H

doi

10.1016/s0965-1748(01)00063-7

subject

Has Abstract

pub_date

2001-11-01 00:00:00

pages

1173-81

issue

12

eissn

0965-1748

issn

1879-0240

pii

S0965174801000637

journal_volume

31

pub_type

杂志文章

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